53421200 has 60 divisors (see below), whose sum is σ = 146687040. Its totient is φ = 18314880.

The previous prime is 53421169. The next prime is 53421209. The reversal of 53421200 is 212435.

It is not an unprimeable number, because it can be changed into a prime (53421209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6740 + ... + 12339.

It is an arithmetic number, because the mean of its divisors is an integer number (2444784).

Almost surely, 2^53421200 is an apocalyptic number.

53421200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53421200 is an abundant number, since it is smaller than the sum of its proper divisors (93265840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53421200 is a wasteful number, since it uses less digits than its factorization.

53421200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19104 (or 19093 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 53421200 is about 7308.9807770988. The cubic root of 53421200 is about 376.6210123833.

Adding to 53421200 its reverse (212435), we get a palindrome (53633635).

The spelling of 53421200 in words is "fifty-three million, four hundred twenty-one thousand, two hundred".